000 00527nam a2200169Ia 4500
008 170901s1987 xx 000 0 und d
082 _a668.4
_bN28P
100 _aNational Seminar on Use of Plastics in Agriculture
245 0 _aProceedings
260 _aDelhi
_bThe Directorate of Extension, Ministry of Agriculture, Government of India
_c1987
300 _a99
650 _aChemical and Related Technologies
650 _aTechnology (Applied sciences)
653 _aAgriculture
653 _aPlastics
942 _2ddc
_cBK
999 _c19116
_d19116